S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

Speedometer problem

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Old Apr 13, 2010 | 06:29 AM
  #1  
benica's Avatar
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From: Between Honolulu and Offutt.
1998 and 2002 SL 500, 2014 E550 Convertible
Speedometer problem

Ordered a replacement rebuilt speedometer head...140 chassis....1992....
arrived today...installed it, odometer/trip meter works, speedometer works....great I thought! After a few miles...ABS light comes on and a few miles later..the speedometer stopped working!
Ideas? A MB tech tells me that the ABS module works inconjunction with the speedometer.
ABS light was not on before now with the new speedometer installed.....and this problem....maybe the MB tech is on to something.
Thoughts? Correct fix?
And with NO decent MB techs on Guam....I'm hurting! They are parts changers here.....Guessing what the problem is.
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Old Oct 28, 2010 | 07:36 AM
  #2  
s420perth's Avatar
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Joined: Apr 2007
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w140 s420
I have a similar problem. Did you find a fix?
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Old Oct 28, 2010 | 09:03 AM
  #3  
Peter Guenther's Avatar
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Joined: Jul 2003
Posts: 455
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From: Fl
92 500sel/01 320e wag
The speedo sensor comes from the abs ring on the left front wheel, and goes thru the ABS/ASR control module, according to the old manual I have. I cant help more than that
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Old Oct 29, 2010 | 01:18 AM
  #4  
benica's Avatar
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From: Between Honolulu and Offutt.
1998 and 2002 SL 500, 2014 E550 Convertible
Yes...ABS module replaced...works now!
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